Fastener-inserting machine



April 30, 1929. A. H. SCHMIDTKE 1,711,251

FASTENER INSERTING MACHINE Filed Nov. 5, 1925 .Patented Apr. 30, 1929. i

UNITED STATES l 1,711,251 PATENT OFFICE.

ALBERT H. SCHMIDTKE, 0F ST. JOSEPH, MICHIC'AIW, ASSIGNOR T0 ST. JOSEPH IRON WORKS, 0F ST.` JOSEPH, MICHIGAN, A CORPORATION OIF MICHIGAN.

. EASTENERAINSERTING moslim Application filed November My invention relates to a fastener inserting machine for securing parts together by fasteners, as for example, staples, which are driven into or through the parts, and has reference more particularly to the means for holding the parts against the impact of the fastener inserting member in cases where a stationary yor permanently positioned anvil, clinch block or the like cannot be conveniently used, as for example in fastening an annular flange of the bottom or end wall of a basket or other receptacle to the edge of the side wall of the basket or receptacle.

In making baskets or other receptacles wherein an end closure or bottom has a laterally extending marginal flange which is connected to the overlapping edge of the annular wall of the basket or receptacle, it is desirable to provide a firm support for the portions of the annular flange and the overlapping edge of the annular wall at the time the fasteners are applied so that the fasteners may be satisfactorily driven into place, and in practice this supportfrequently serves as an anvil against which the fasteners -are clinched as they are driven through the superposed portions of the annular flange and the annular wall. The basket or receptacle is usually rotated in a step by step manner to bring successive portions of the annular flange of the bottom and the edge of the annular wall into position to be acted upon by the fastener applying device, and in my present invention the anvil or member which supports the portions during the stapling operation is arranged to be withdrawn and to relinquish its engagement during the time that the receptacle is advanced, and to be brought up intov position to support the parts when the fastener applying operation occurs and to act as an anvil to clinch the fasteners if desired.

The principal objects of my invention are to permit successive port-ions of parts, that are to be fastened together, to be freely advanced to the fastener applying mechanism; to provide improved means for supporting overlapped portions of a receptacle bottom or end closure and the edge of the annular wall of the receptacle while fasteners are applied thereto; to release the support so as to permit free advance of the receptacle between they by step manner so as to bring successive porfastening operations; to arrange the -support so that it may be readily withdrawn so as to be entirely out of the way in applying the work to the fastening mechanism; to effect the 5, 1925. Serial No. 66,931.

withdrawal of the anvil or support automatically; to insure positive insertion of the anvil or support into the recessed bottom against the inner face ofthe annular flange of the bottom; to construct the anvil or support so that it is simple, inexpensive and convenient; and in general to provide a simplified and improved apparatus for securing bottoms or end closing members to the annular wall of the receptacle.

' On the drawin s,'- f

Fig. 1 is a si e view of a portion of a basket making machine embodying my improvements and showing a basket 1n section on the form.

Fig. 2, an enlarged view of the anvil or mechanism which supports the parts of the bottom and annular wall as the fastener is driven therethrough.

Fig. 3, a similar view showing the anvil or support retracted;

Fig. 4, an end view of the form showin the manner in which the basket bottom is eld thereon; and

Fig. 5, a, detail view of the clip which is used for holding the basket bottom on the form.

Referring to the drawings, the reference numeral 1 indicates a portion ofthe frame of4 a basket making machine which has a lateral extension 2 at the upper end on which is mounted a series of stationary members 3, 4 and 5 respectively of stapling devices 6, 7 and 8, which are properly positioned to drive staples through the lower, middle and up er hoops respectively of a basket. The stapling devices 6, 7 and 8 are carried by a head 9 which is secured to the u per end of a shaft 10 and the latter is operate 1n the usual manner to reciprocate at the proper time to drive the staples through the hoops of the basket or receptacle.

Mounted underneath the stapling devices 6, 7 and 8 is a form which supports the annular wall or shell of the basket and the basket bottom during the stapling operation, said form in the present case comprising a lseries of successively larger disks 11,12 and 13 which are secured to a shaft 14 and this shaft is journalled in a suitable bearing 15 on the frame 1 of the machine and rotated in a step tions of the hoops into position under the staplers 6, 7 and 8. Details of the mechanism of the Staplers and of the mechanism for operating the staplers and advancing the form are not shown as these are Well known and any convenient and satisfactory typeof stapling and form advancing mechanism may be employed. 4

The bottom or end wall of the receptacle, which is indicated as a whole at 45, is mounted on the outer face of the disk 11 during stapling operation and may be of any s uitable type having an out turned annular flange which is adapted to be secured to the edge of the annular wall of the receptacle, said bottom Wall in the present case being of a common form employed in connection with baskets consisting of a plurality of crossed slats 16 having their ends secured to marginal hoop 17. A bottom of this type has openings between the slats 16 and in view of this construction I support the bottom on the disk 11 by means of a number of clips 18 which are positioned and arranged to engage through the spaces betweenV adjoining slats 16 of the bottom and upon a slight rotating of the latter to engage over an vadjacent slat and thereby clamp and hold the basket or receptacle bottom in place on the outer face of the disk 11. These clips are preferably arranged so that the raised portion thereof which engages over the slat projects in the direction of rotation of the form so that any holding back on the basket bottom or shell during the stapling operation will not'have a tendency to release the bottom from the clips and accidental release of the bottom is thus avoided.

The annular wall or shell of the basket or receptacle which is indicated at 19 may be separately assembled and slipped onto the form 11, 12 and 13 preparatory to the securing yof the bottom 45 thereto or panels of which the shell may be composed, as indicated in Fig. 2 may be successively laid or fed onto the form and stapled to the hoops and to the annular Harige or hoop 17 of the bottom as the form is rotated. In basket construction it is customary to apply a hoop 20 around the upper edge of the basket at the inside and this hoop is placed in position on the disk 13 before the shell 19 or the panels composing the shell are placed thereon, said diskl 13 being formed with a shoulder 21 serving as a stop for locating the hoop 20 in proper position thereon and said disk 13 is also preferably extended and formed with a bevel22 so as to facilitate the application of the hoop 20 on the disk.

It isA also customary to provide baskets of this type with an outside hoop 23 extending around the upper edge, an intermediate hoop 24 and an outside hoop 25 at the bottom and the stapling device 8 serves to drive staples through the upper hoops 23 and 20 and the interposed upper edge of the annular shell while the stapling device 7 staples the middle hoop 24 to the annular shell and the stapling device 6 drives the staples through the outer hoop 25 the lower edge of the annular shell and the hoop 17 on the bottom for securing the latter to the shell. The hoops 23, 24 and 25 are preferably fed onto the annular shell in the form of strips which are bent and stapled in place as the'form rotates and finally overlap at the ends and are stapled together so as to form the hoops.

The disks 12 and 13 serve in the stapling operation to support the respective hoops and corresponding portions of the basket shell during the stapling operation and to clinch the staples, but the hoops 17 and 25 and the lower edge of the annular shell, all of which project beyond the disk 11, require additional support to hold same up in place during the stapling operation and to clinch the staples if desired. This support engages within the annular flange or hoop 17 directly below the stapling device 6, and must not only permit the form 11-12-13 and basket parts thereon to advance freely between stapling operations but must be withdrawn during the time that the parts of the receptacle, and particularly the bottom, are placed on the form so that these parts may be conveniently applied in position. To this end I have provided an anvil or support 26 which is in the form of a bar pivoted between its ends at 27 on a link 28 which latter is pivoted at its upper end as indicated at 29 on an extension 30 of the stationary member 3 of the stapling device 6. A link 31 is pivoted at its lower end as indicated at 32 to the outer end of the arm 26 and at its upper end slidably engages through laterally extending apertured lugs 33 of a plate 34 which is pivoted to an extension on the outer end of the head 9. A spring 35 on the link 31 is compressed. between the lower lug 33 and a pair of lock nuts 36 on the link 31, said link being held in the lugs 33 by another pair of lock nuts 37 thereon which engage the upper `lug 33. A spring 38 connects the outer end of the bar 26 with the upper end of the link 28 on the outer end of the extension 30 and exerts a tension to throw the bar 26 against a finger or stop 39 on the link 28.

With this construction, when the head9 is elevated and the stapling devices withdrawn from the form on which the basket is assembled or mounted, the link 31 is elevated and lifts olf the bar 26. Upon the initial movement of the bar 26 it is rocked on its pivot 27 owing to the tension of the spring 38 until it comes into contact with the stop 39 whereupon the bar 26 and its supporting link 28 are swung outwardly on the pivot 29 so ,that when the head 9 is in the uppermost position the bar 26 and link 28 are brought substantially to the position shown in Fig. 3 wherein the anvil or clinch block 26 is suiiiciently removed from the end disk 11 of the form so that the completed basket may be readily withdrawn from the form and another bottom 45 and other parts of the basket if def sired may then be a plied onto the form for the next basket ma ing operation.

lVhen the parts of the basket have been placed in position the stapling mechanism is operated, at which time the head 9 and stapling members 6, 7 and 8 are moved downwardly to drive a lineof staples. As the head 9 moves downwardly the tension of the spring 38 holds the bar 26 engaged with the stop 39 so that the inner end of 'the bar 26 which is formed with a head 40 is swung inwardly to a position directly under the stapling device 6 and the final movementJ of the head 9 tilts the bar 26 on the pivot 27 and throws the inner end of the bar 26 and head 40 upwardly into contact with the inner face of the hoop 17 at the point wherethe staple is to be applied at approximately the same time that the staple which is indicated at 4l in Fig. 2 is applied through the hoop 25, the lower edge of the basket shell and the inner hoop 17. The head thus serves as a support to bear the impact of driving the staple 4l and if the ends of the staple are to be clinched, this head 40 serves at the same time as a clinch block against which the ends of the staple are deflected to effect the clinching thereof.

After the stapling operation is completed the head 9 is elevated and at the same time the bar 26 and head 40 are withdrawn and swung outwardly so that the form 11--12-13 and basket parts thereon may be freely advanced to the position of the next stapling operation whereupon the operation ofthe head 9 and the stapling devices thereon' again throws the head or anvil 40 up in position against the inner face of the hoop 17 to cooperate with the stapling device 6 in applying the next succeeding staple 41. After the basket has been stapled together on the form 11-12--13 the entire basket is given a slight turning movement on the form to release the slats of the bottom from the clips 18 whereupon the basket ma be readily withdrawn from the form in v1ew ofthe fact that the bar 26 and head or anvil 40 are withdrawn suiiiciently from the end of the basket so that the lat-ter may be freely removed.

While I have shown and described my invention in a preferred form, I am aware that various changes and modifications may be made without departing from the principles of my invention the scope of which is to be determined by the appended claims.

I claim:

1. The combination of a main frame having a fastener applying device mounted thereon for reciprocal movement, a member pivoted on a swinging support to swing and oscillate onits pivot to and from a position wherein it supports the work for operation on by the fastening device, and means connectingthe fastener applying device and pivoted member so that the operation of the pivoted member is controlled by the movement of the fastener applying device.

2. In an apparatus of the class described, the combination of a rotatable form, a series of stapling devices arranged along the form and including a stapling device locatedbeyond the annular form, and an anvil cooperating with the latter stapling device and automatically movable to and from the end of the form in predetermined timed relation with the operation of the stapling device.

ALBERT H. SCHMIDTKE. 

